Wilkerson DE2 User Manual
Page 12
Instruction Manual / DE0, DE1 and DE2
83-918-000 6/98
Wilkerson Compact Heatless Air Dryers
MODELS DE0, DE1 AND DE2 TROUBLESHOOTING GUIDE
B
PROBLEM: RESTRICTED FLOW THROUGH UNIT
POSSIBLE CAUSE
CHECK
CORRECTIVE ACTION
B1 Incoming power interrupted.
Check the power supply. Measure
If voltage is present, replace
for voltage at the cycle timer.
timer.
B2 Improper operating conditions.
See A1, A2, A3 above.
B3 Dirty or obstructed inlet air
See A4 above.
filter.
B4 Improper plumbing.
Make sure inlet and outlet
Correct plumbing.
connections are not reversed.
B5 Plugged air passage.
Check inlet and outlet air
Clear restrictions.
passages and piping for
blockages.
B6 Solenoid coil burned out.
See A6 above.
B7 Timer not operating properly.
See A8 above.
B8 Solenoid core spring broken.
See A11 above.